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20121222
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of people to local hospitals. as kron 4's dan kerman reports - chevron will be able to use a type of pipe that has created a lot of controversy. >> reporter: nearly 5 months after a pipe rupture created a fireball above chevron's richmond refinery sending thousands to area hospitals, the oil giant has been given the ok to rebuild crude unit number 4 and replace the pipe that ruptured with one made of 9-percent chromium steel the chemical safety board had questioned why chevron was not using stainless steel with 18% chromium. suggesting it was the industry standard and better to withstand corrosion which is believed to be the cause of august's pipe rupture but in this letter to the richmond city council, city manager bill lindsay says two outside consultants have concluded that using a 9 chrome represents an "inherently safer design" than other available materials. it was that determination that lead to the permits being issued the chemical safety board said it "will not endorse or object to that decision." city councilman tom butt said he believes this time chevron covered all their bases
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